Home / 31,115.76-46,558.71-18,644.58

Finding the Fourth Proportional to 31,115.76, 46,558.71 and 18,644.58

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Solution

The fourth proportional to 31,115.76, 46,558.71 and 18,644.58 is: 27,898.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,115.76 : 46,558.71 = 18,644.58 : x
  2. Step 2: Convert to fraction form
    31,115.76/46,558.71 = 18,644.58/x
  3. Step 3: Cross multiply
    31,115.76x = 46,558.71 × 18,644.58
  4. Step 4: Simplify right side
    31,115.76x = 868,067,593.29
  5. Step 5: Solve for x
    x = 868,067,593.29/31,115.76
  6. Step 6: Final answer
    x = 27,898.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.